Home Theater HI - FI Loudspeaker AMP HI - 10:HI series have reliable quality, best tone. HI- ... together with HI-122,H Home Theater HI - FI Loudspeaker AMP HI - 10 HI series have reliable quality, best tone. HI ... -20KHzOutput Impedance4ohm,8ohmDimension260x130x300mmGross Weight13kg Naphon :Home Theater HI - FI Loudspeaker AMP HI - 10